Update error badge on wrench menu button

chrome/browser/ui/gtk/browser_toolbar_gtk.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/gtk/browser_toolbar_gtk.h"
 
 #include <X11/XF86keysym.h>
 #include <gdk/gdkkeysyms.h>
 #include <gtk/gtk.h>
 
@@ skipping 82 matching lines @@
       browser_(browser),
       window_(window) {
   browser_->command_updater()->AddCommandObserver(IDC_BACK, this);
   browser_->command_updater()->AddCommandObserver(IDC_FORWARD, this);
   browser_->command_updater()->AddCommandObserver(IDC_HOME, this);
   browser_->command_updater()->AddCommandObserver(IDC_BOOKMARK_PAGE, this);
 
   registrar_.Add(this,
                  chrome::NOTIFICATION_UPGRADE_RECOMMENDED,
                  NotificationService::AllSources());
+  registrar_.Add(this,
+                 chrome::NOTIFICATION_GLOBAL_ERRORS_CHANGED,
+                 Source<Profile>(browser_->profile()));
 }
 
 BrowserToolbarGtk::~BrowserToolbarGtk() {
   browser_->command_updater()->RemoveCommandObserver(IDC_BACK, this);
   browser_->command_updater()->RemoveCommandObserver(IDC_FORWARD, this);
   browser_->command_updater()->RemoveCommandObserver(IDC_HOME, this);
   browser_->command_updater()->RemoveCommandObserver(IDC_BOOKMARK_PAGE, this);
 
   offscreen_entry_.Destroy();
 
@@ skipping 260 matching lines @@
 
     if (use_gtk) {
       // We need to manually update the icon if we are in GTK mode. (Note that
       // we set the initial value in Init()).
       gtk_image_set_from_pixbuf(
           GTK_IMAGE(wrench_menu_image_),
           theme_service_->GetRTLEnabledPixbufNamed(IDR_TOOLS));
     }
 
     UpdateRoundedness();
-  } else if (type == chrome::NOTIFICATION_UPGRADE_RECOMMENDED) {
+  } else if (type == chrome::NOTIFICATION_UPGRADE_RECOMMENDED ||
+             type == chrome::NOTIFICATION_GLOBAL_ERRORS_CHANGED) {
     // Redraw the wrench menu to update the badge.
     gtk_widget_queue_draw(wrench_menu_button_->widget());
   } else if (type == content::NOTIFICATION_ZOOM_LEVEL_CHANGED) {
     // If our zoom level changed, we need to tell the menu to update its state,
     // since the menu could still be open.
     wrench_menu_->UpdateMenu();
   } else {
     NOTREACHED();
   }
 }
@@ skipping 245 matching lines @@
   int x_offset = base::i18n::IsRTL() ? 0 :
       sender->allocation.width - badge->width();
   int y_offset = 0;
   canvas.DrawBitmapInt(
       *badge,
       sender->allocation.x + x_offset,
       sender->allocation.y + y_offset);
 
   return FALSE;
 }